<template>

    <div class="my-tag">
              <input
                class="input"
                type="text"
                placeholder="输入标签"
                v-if="isShow "
                v-focus
               @blur ="isShow = false"
                v-model="taskName"
                @keydown.enter="inputTag"
              />
              <div v-else @dblclick="change" class="text">{{value}}</div>
            </div>
 
</template>

<script>
export default {
  name: 'VueDemoMyTag',
  props: {
    value: {
      type:String,
      required : true
    }
  },
  data() {
    return {
      isShow:false,
      taskName: ''
    };
  },
  methods: {
    inputTag() {
      this.$emit('input',this.taskName)

      this.isShow = false
    },
    change() {
      this.isShow = true
      this.taskName =this.value
    }
  },
};
</script>

<style lang="less" scoped>
.my-tag {
  cursor: pointer;
  .input {
    appearance: none;
    outline: none;
    border: 1px solid #ccc;
    width: 100px;
    height: 40px;
    box-sizing: border-box;
    padding: 10px;
    color: #666;
    &::placeholder {
      color: #666;
    }
  }
}
</style>